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The energy released when one mole of ionic crystal is produced by the combination of the corresponding gaseous (+ve) and (-ve) ions brought from infinite distance is known as lattice energy.
The uncertainty in the position of a moving bullet of mass 10 gm is 10 -5 m . Calculate the uncertainty in its velocity: (1) 5.2 x 10 -28 / sec (
how to determine the concentration of citric acid given that it reacts with sodium hydroxide
general methods of preparation of ethanol
Q. Describe Electrochemistry Electricity (i.e., electric current) is a flow of electric charges. In metals, it is the flow of electrons. In electrolytes, it is the mov
type and explain the methods
why HF can''t be kept in glass bottle
Explain terminal carbons and central carbons The terminal carbons are bound to three groups, and are thus trigonal planar. The central carbon is bound to two groups, and is
Why a covalent bond is directional? Covalent bond is formed as a result of pairing of two electrons in atomic orbitals of two atoms. Bond then must lie along the direction of
why the water is compound
Depression in freezing point - Physical methods for Non-volatile substances Mol. Mass = (1000 K f * w) /W* ΔT Where, K f stands for Molal depression constant of the solve
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